"Candy Pop" is a song recorded by South Korean girl group Twice. It is the group's second Japanese maxi single featuring three other tracks. The song was pre-released as a digital single on January 12, 2018 and the CD single was released on February 7 by Warner Music Japan.[3][4]

On December 22, 2017, Twice announced the release of their second Japanese single titled "Candy Pop", along with several teaser images for the new track.[3][5] A sneak peek of its B-side track titled "Brand New Girl" was also released the same day, as it was selected as the commercial music for Line's Clova Friends speaker.[6] On January 12, 2018, "Candy Pop" was pre-released as a digital single on various online music portals.[2][4] On January 23, "Brand New Girl" was pre-released as a digital single on Line Music.[7]

The CD single was officially released on February 7. "Candy Pop" and "Brand New Girl" were also digitally released on various South Korean music sites the same day.[8][9]

The full music video of "Candy Pop" was uploaded online on January 12, 2018. The anime-style video was directed by Takahiko Kyōgoku, best known for his work as the director of anime television series Love Live!, in collaboration with Naive Creative Production, the team behind most of Twice's previous music videos.[10] The story line was written by Park Jin-young. There are also hidden characters which were illustrated by member Chaeyoung.[11]

It features the nine members as cartoon singers in a candy-coated realm, filming on set of a music video that a human girl is watching. They see the girl who looks lonely and sad, and want to encourage her. With the help of the animated character of Park Jin-young, Twice transforms into human, escapes the candy land and heads to the human world in a candy car to meet the girl.[2][12]

The CD single debuted atop the daily ranking of Oricon Singles Chart with 117,486 units sold on its release day. It recorded the highest number of copies sold on the first day of sales out of all Korean girl groups who debuted in Japan.[16][17] It was also reported that it sold 333,633 copies in pre-orders, while Billboard Japan recorded 303,746 unit sales from February 5–11, 2018.[18][19][20] On February 24, "Candy Pop" exceeded 400,000 shipments.[21]